Gordon Hempton is an acoustic ecologist who cares deeply about quiet. As The Sound Tracker®, he has circled the globe three times over the last 35 years in pursuit of Earth’s rarest nature sounds—sounds which can only be fully appreciated in the absence of manmade noise. He has documented his work through professional audio recordings and two books, Earth is a Solar Powered Jukebox and One Square Inch of Silence. He is founding partner of Quiet Parks International, an initiative to identify and protect the few remaining quiet places on Earth.